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/*
* ion/mainloop/hooks.h
*
* Copyright (c) Tuomo Valkonen 1999-2007.
*
* See the included file LICENSE for details.
*/
#ifndef ION_LIBMAINLOOP_HOOKS_H
#define ION_LIBMAINLOOP_HOOKS_H
#include <libtu/types.h>
#include <libextl/extl.h>
INTRSTRUCT(WHookItem);
INTRCLASS(WHook);
typedef void WHookDummy();
typedef bool WHookMarshall(WHookDummy *fn, void *param);
typedef bool WHookMarshallExtl(ExtlFn fn, void *param);
DECLSTRUCT(WHookItem){
WHookDummy *fn;
ExtlFn efn;
WHookItem *next, *prev;
};
DECLCLASS(WHook){
Obj obj;
WHookItem *items;
};
/* If hk==NULL to register, new is attempted to be created. */
extern WHook *mainloop_register_hook(const char *name, WHook *hk);
extern WHook *mainloop_unregister_hook(const char *name, WHook *hk);
extern WHook *mainloop_get_hook(const char *name);
extern WHook *create_hook();
extern bool hook_init(WHook *hk);
extern void hook_deinit(WHook *hk);
extern bool hook_add(WHook *hk, WHookDummy *fn);
extern bool hook_remove(WHook *hk, WHookDummy *fn);
extern WHookItem *hook_find(WHook *hk, WHookDummy *fn);
extern bool hook_add_extl(WHook *hk, ExtlFn fn);
extern bool hook_remove_extl(WHook *hk, ExtlFn fn);
extern WHookItem *hook_find_extl(WHook *hk, ExtlFn efn);
extern void hook_call(const WHook *hk, void *p,
WHookMarshall *m, WHookMarshallExtl *em);
extern void hook_call_v(const WHook *hk);
extern void hook_call_o(const WHook *hk, Obj *o);
extern void hook_call_p(const WHook *hk, void *p, WHookMarshallExtl *em);
extern bool hook_call_alt(const WHook *hk, void *p,
WHookMarshall *m, WHookMarshallExtl *em);
extern bool hook_call_alt_v(const WHook *hk);
extern bool hook_call_alt_o(const WHook *hk, Obj *o);
extern bool hook_call_alt_p(const WHook *hk, void *p, WHookMarshallExtl *em);
#endif /* ION_LIBMAINLOOP_HOOKS_H */
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